CN103253769B - The biological membrane-transferring device of automatic oxygenation formula - Google Patents
The biological membrane-transferring device of automatic oxygenation formula Download PDFInfo
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- CN103253769B CN103253769B CN201310197334.8A CN201310197334A CN103253769B CN 103253769 B CN103253769 B CN 103253769B CN 201310197334 A CN201310197334 A CN 201310197334A CN 103253769 B CN103253769 B CN 103253769B
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Abstract
The invention belongs to field of waste water treatment, particularly the biological membrane-transferring device of automatic oxygenation formula.The biological membrane-transferring device of automatic oxygenation formula disclosed by the invention, comprises tank, water-in, mud discharging mouth, water outlet,? water-in and water outlet are positioned on the downside of spindle centerline, the distribution in diagonal lines on tank; Water-in, mud discharging mouth, water outlet are configured at tank not ipsilateral, and this device also comprises change, and change is located in tank by rotating shaft, and change is connected with transmission mechanism.The present invention adopts change form, rotated by the change that rotarily drives of rotating shaft, and alternately fully contact with air and sewage, carry out biography oxygen, mass transfer motion, the present invention had both been integrated with features such as 3 D elastic filler biofilm area is large, processing load is high, strong shock resistance, have again that blodisc structure is simple, construction cost is economized, the advantages such as running maintenance is simple concurrently.
Description
Technical field
The invention belongs to field of waste water treatment, particularly the biological membrane-transferring device of automatic oxygenation formula.
Background technology
The height of wastewater biochemical processing efficiency and the microbe population in treatment unit, saturated dissolved oxygen concentration in water, and microorganism active etc. has substantial connection, waste water biochemical treatment device has just become application more a kind of method of wastewater treatment and technique device.Prior art situation have employed technique means and the devices such as pure oxygen gas explosion, biological fluidized bed, but these existing technique means and device also Shortcomings part, as biological fluidized bed requires higher to oxygen supply, technique solves not yet completely; Pure oxygen aeration COD pollution load is lower, and this is all little desirable to wastewater biochemical treatment effect.
Biomembrance process is a class waste water aerobic biologic treating technique arranged side by side with activated sludge process, is a kind of fixing embrane method.Be mainly used in removing organic pollutant that is deliquescent in waste water and colloidal.Microbial film is attached to the surface of carrier, is the material of highly-hydrophilic, under the condition that sewage constantly flows, always there is one deck attachment water layer outside it.Microbial film is again the material of microorganism highly dense, grows a large amount of microorganisms on the surface of film and side.Microbial film ratio juris is, first microbial film adsorbs attachment water layer organism, is decomposed by the aerobic organism of good gas-bearing formation, then enters lonely layer and carry out anaerobic decomposition, aging microbial film then washes out to grow new microbial film, and so forth to reach the object of purifying waste water by flowing water layer.
Summary of the invention
The object of this invention is to provide that a kind of specific surface area is large, load is high, carrier surface forming biofilm property is good, processing efficiency is high, the biological membrane-transferring device of the automatic oxygenation formula of long service life.
Goal of the invention of the present invention is achieved through the following technical solutions.
The biological membrane-transferring device of automatic oxygenation formula, comprise tank, water-in, mud discharging mouth, water outlet, water-in and water outlet are positioned on the downside of spindle centerline, the distribution in diagonal lines on tank; Water-in, mud discharging mouth, water outlet are configured at tank not ipsilateral, and this device also comprises change, and change is located in tank by rotating shaft, and change is connected with transmission mechanism.
Further, described change is made up of base frame, change extension arm and rotating shaft, change extension arm is fixed on base frame, and base frame, change extension arm and rotating shaft are that concentric(al) circles arranges and is implemented in rotating shaft, and biologic packing material is distributed on base frame and change extension arm.
Further, biologic packing material be one of in concentric(al) circles, radial pattern, spirrillum, intersecting parallels, radial pattern distribution of shapes on base frame and change extension arm.
Further, described biologic packing material is hollow 3 D elastic filler.
Further, tank is semicircle cell body or trapezoidal cell body, and tank is divided into three grades, and wherein first step sealing, in second and third grade of tank, water route mode adopts the serpentine detoured.
Further, first step biologic packing material adopts 3 D elastic filler, and the second stage adopts hollow 3 D elastic filler, and the third stage adopts hollow-fibre membrane filler.
Further, in tank, water route mode adopts the serpentine detoured.
Further, base frame adopts single independent mounting means.
The present invention has the following advantages for the treatment of sanitary sewage:
1, the tank in the present invention is divided into three grades, and wherein first step reactive tank is sealed structure, and the immersion rate of change is 100%, forms anaerobic reaction district, achieves the function division of transferring film equipment.In anaerobic reaction district, by the anaerobic effect of microorganism, realize organic removal, denitrification and poly-phosphorus; Second stage filler adopts hollow stereo-elastic biologic packing material automatic oxygenation, and have both the advantage of biomembrance process and activated sludge process two kinds for the treatment of process, oxygen transfer efficiency is high, anti-shock loading, mud is long for age, and microbe species is many, Food chain is long, and sludge yield is few, and dewatering is good; Third stage reactive tank adopts tubular fibre membrane carrier materials, third stage reactive tank has biological degradation and filtering function concurrently, and the rotating shaft of this grade is tubular shaft, except the function rotated except driving change, percolate collection tubes simultaneously or after tubular fibre membrane filtration, after process, water outlet is discharged by hollow axle.In tank, water route mode adopts the serpentine detoured, and effectively increases the sewage residence time in the sink.
2, the present invention adopts change form, rotated by the change that rotarily drives of rotating shaft, and alternately fully contact with air and sewage, carry out biography oxygen, mass transfer motion, the present invention had both been integrated with features such as 3 D elastic filler biofilm area is large, processing load is high, strong shock resistance, have again that blodisc structure is simple, construction cost is economized, the advantages such as running maintenance is simple concurrently.
3, biologic packing material be one of in concentric(al) circles, radial pattern, spirrillum, intersecting parallels, radial pattern distribution of shapes on base frame and change extension arm.The advantages such as it is large that concentric(al) circles, spirrillum have packing specific area, and process hydraulic load is large; Radial pattern, intersecting parallels, radial pattern shape have mass transfer, oxygen transfer efficiency advantages of higher.Filler assembling form in actual enforcement specifically can select installation form according to actual treatment water quality, hydraulic load and processing requirements.
4, biological transferring film adopts 3 D elastic filler, compared with traditional blodisc, have the advantages such as effective biofilm area is large, processing load is high, floor space is little, effective biofilm area is 3 ~ 5 times of the common blodisc of same size, and processing load can improve 2 ~ 3 times.
5, in the present invention due to the aeration mode of its uniqueness and carrier surface forming biofilm property, aerobic zone can be formed, advanced treatment that oxygen-starved area, these regions, anaerobic zone can complete biological carbon and phosphorous removal, in addition, the present invention is also provided with nitrification liquid reflux line, the nitrification liquid of part second order reaction groove is back to first order reaction groove, promote denitrification, compare traditional blodisc, improve nitric efficiency.To sanitary sewage, the water management that will go out that can be stable is less than 10mg/l at total nitrogen, and TP is less than 1mg/l.
6, present invention process flow process is simple, without the need to the air feed system of complexity; Repair and maintenance expense is low; Flexible operation, adaptable, oxygen delivery capacity can be changed by the additional change of rotating speed or increase adjusting change.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the biological transferring film treatment unit of automatic oxygenation formula of the present invention;
Fig. 2 is the left TV structure schematic diagram of the biological transferring film treatment unit of automatic oxygenation formula of the present invention.
Wherein: 1-tank; 2-water-in; 3-mud discharging mouth; 4-water outlet; 5-change base frame; 6-biologic packing material; 7-change extension arm; 8-rotating shaft; 9-transmission mechanism; 10-change.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As depicted in figs. 1 and 2, the biological membrane-transferring device of automatic oxygenation formula, comprise tank 1, water-in 2, mud discharging mouth 3, water outlet 4, water-in 2 and water outlet 4 are positioned on the downside of spindle centerline, the distribution in diagonal lines on tank; Water-in 2, mud discharging mouth 3, water outlet 4 are configured at tank 1 not ipsilateral, and this device also comprises change 10, and change 10 is located in tank 1 by rotating shaft 8, and change 10 is connected with transmission mechanism 9; Described change 10 is made up of base frame 5, change extension arm 7, change extension arm 7 is fixed on base frame 5, base frame 5, change extension arm 7 arrange for concentric(al) circles with rotating shaft 8 and are implemented in rotating shaft 8, and biologic packing material 6 is distributed on base frame 5 and change extension arm 7; Described biologic packing material 6 one of in concentric(al) circles, in radial pattern, spirrillum, intersecting parallels, radial pattern distribution of shapes on base frame 5 and change extension arm 7; Tank 1 is semicircle cell body or trapezoidal cell body, and tank 1 is divided into three grades, wherein first step sealing, and in second and third grade of tank 1, water route mode adopts the serpentine detoured; First step biologic packing material adopts 3 D elastic filler, and the second stage adopts hollow 3 D elastic filler, and the third stage adopts hollow-fibre membrane filler; Base frame 5 adopts single independent mounting means.
As depicted in figs. 1 and 2, the biological membrane-transferring device of automatic oxygenation formula also can be comprise tank 1, water-in 2, mud discharging mouth 3, water outlet 4, and water-in 2 and water outlet 4 are positioned on the downside of spindle centerline, the distribution in diagonal lines on tank; Water-in 2, mud discharging mouth 3, water outlet 4 are configured at tank 1 not ipsilateral, and this device also comprises change 10, and change 10 is located in tank 1 by rotating shaft 8, and change 10 is connected with transmission mechanism 9; Described change 10 is made up of base frame 5, change extension arm 7, change extension arm 7 is fixed on base frame 5, base frame 5, change extension arm 7 arrange for concentric(al) circles with rotating shaft 8 and are implemented in rotating shaft 8, and biologic packing material 6 is distributed on base frame 5 and change extension arm 7; Described biologic packing material 6 one of in concentric(al) circles, in radial pattern, spirrillum, intersecting parallels, radial pattern distribution of shapes on base frame 5 and change extension arm 7; Described biologic packing material 6 is hollow 3 D elastic filler; Tank 1 is semicircle cell body or trapezoidal cell body, and tank is divided into three grades, wherein first step sealing, and in second and third grade of tank 1, water route mode adopts the serpentine detoured; Base frame 5 adopts single independent mounting means.
The process that is combined is described further the biological transferring film treatment unit of above-mentioned automatic oxygenation formula:
Waste water is after grid, equalizing tank eliminate thick slag and thick suspended substance, enter first step tank 1 from water-in 2, base frame 5 and change extension arm 7 are under transmission mechanism 9 drives, rotate in tank 1 with certain linear velocity, the first step is sealing flume, and the immersion rate of transferring film is 100%, forms anaerobic reaction district, by the anaerobic effect of microorganism, realize organic removal, denitrification and poly-phosphorus.The water outlet of first step reactive tank enters second stage reactive tank by effluent trough gravity flow, because in second and third grade of tank 1, water route mode adopts the serpentine detoured, be distributed in biologic packing material 6 constantly slight impact, the friction each other on base frame 5 and change extension arm 7, and alternately fully contact with air and sewage, carry out mass transfer motion: when biologic packing material 6 is immersed in sewage, microbial film absorption on organism in sewage is filled, the meta-bolites (H of microorganism
2o, the organic molecules such as various organic acid, alcohol, ammonia nitrogen, NO
- 3deng inorganic molecules) also drained in water; When biologic packing material 6 is exposed in air, the attachment water layer on biologic packing material 6 is by the oxygen desorption in air and dissolve.
Hollow stereo-elastic condiment is adopted in the tank of the second stage, when biologic packing material 6 leave sewage contact with air time, air enters in the cavity of hollow elasticity stereo biological filler 6, along with base frame 5 and change extension arm 7 rotate, this part air is immersed in sewage by biologic packing material 6 and takes under water, and be constantly compressed, pressure increases gradually.When pressure is increased to a certain degree, the air in hollow 3 D elastic filler 6 cavity is discharged in sewage gradually in the mode of microbubble, and in uphill process, carries out the transmission of oxygen thus reach the effect of aeration aerating.The water outlet of second order reaction groove enters third order reaction groove, and third stage reactive tank has biological degradation and filtering function concurrently, and after process, water outlet is discharged by hollow axle.
The waste water of carrying out a biological disposal upon through biological transferring film is eventually through water outlet 4 remover, and mud by shore pipe 3 regularly discharger, thus reaches the biological treatment effect of waste water.
Biological transferring film is through after a while after (15-30 days) running, biologic packing material 6 grows a large amount of microorganism and forms microbial film, organic pollutant in sewage adsorb by microbial film, and rely on the metabolic function of microorganism to be degraded, because surplus sludge volume in trough is close to zero, elastic filler can be grown the autotrophic type nitrobacteria of length of a large amount of generation cycle, by the nitrification of microorganism, be cultured water and nitrate nitrogen by the mineralized nitrogen in water body.These cultured water and nitrate nitrogen are converted into nitrogen and discharge under the effect of anaerobion, thus realize the removal of ammonia nitrogen in sewage and total nitrogen.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
embodiment 1
Certain community life sewage, treatment scale 200m
3/ d, influent COD is 185mg/L, SS be 70mg/L, TP is 3mg/L, NH
3-N is 30mg/L.Select grid to remove the gred, equalizing tank homogeneous, hydraulic detention time is that after 7h, sewage flows into the biological membrane-transferring device of automatic oxygenation formula of the present invention, and hydraulic detention time HRT=1.5h, aftertreatment selects tube settling to add the form of ozone sterilization.Water outlet COD is 60mg/L, SS be 20mg/L, TP is 1mg/L, NH
3-N is 12mg/L.COD clearance is 68%, SS clearance be 71%, TP clearance is 67%, NH
3-N clearance is 60%.System effluent index meets the requirement of " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) first grade discharging.
embodiment 2
Certain administration building sanitary sewage (septic tank), treatment scale 150L/d, influent COD is 132mg/L, SS be 50mg/L, TP is 2.5mg/L, NH
3-N is 35mg/L.Through equalizing tank homogeneous, hydraulic detention time is that after 6h, sewage flows into the biological membrane-transferring device of automatic oxygenation formula of the present invention, and hydraulic detention time HRT=2h, aftertreatment selects advection sedimentation to add the form of dioxide peroxide sterilizing.Water outlet COD is 40mg/L, SS be 10mg/L, TP is 0.5mg/L, NH
3-N is 10mg/L.COD clearance is 70%, SS clearance be 80%, TP clearance is 80%, NH
3-N clearance is 71%.System effluent index meets " urban wastewater treatment firm pollutant emission standard ".
Claims (2)
1. the biological membrane-transferring device of automatic oxygenation formula, comprise tank (1), water-in (2), mud discharging mouth (3), water outlet (4), water-in (2) and water outlet (4) are positioned on the downside of spindle centerline, the distribution in diagonal lines on tank; Water-in (2), mud discharging mouth (3), water outlet (4) are configured at tank (1) not ipsilateral, it is characterized in that: this device also comprises change (10), change (10) is located in tank (1) by rotating shaft (8), and change (10) is connected with transmission mechanism (9); Described change (10) is made up of base frame (5), change extension arm (7), change extension arm (7) is fixed on base frame (5), base frame (5), change extension arm (7) and rotating shaft (8) arrange for concentric(al) circles and are implemented in rotating shaft (8), and biologic packing material (6) is distributed on base frame (5) and change extension arm (7); Described biologic packing material (6) one of in concentric(al) circles, in radial pattern, spirrillum, intersecting parallels, radial pattern distribution of shapes on base frame (5) and change extension arm (7); Tank (1) is divided into three grades for semicircle cell body or trapezoidal cell body, tank (1), wherein first step sealing, and second and third grade of tank (1) interior water route mode adopts the serpentine detoured; First step biologic packing material adopts 3 D elastic filler, and the second stage adopts hollow 3 D elastic filler, and the third stage adopts hollow-fibre membrane filler.
2. the biological membrane-transferring device of automatic oxygenation formula as claimed in claim 1, is characterized in that: base frame (5) adopts single independent mounting means.
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| CN103253769B true CN103253769B (en) | 2016-04-27 |
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| CN105948385A (en) * | 2016-05-22 | 2016-09-21 | 中山市捷信科技服务有限公司 | Medical sewage treatment device |
| CN115043492B (en) * | 2022-06-24 | 2023-05-23 | 江西省科学院能源研究所 | Sewage denitrification device and method thereof |
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| CN102795698B (en) * | 2012-07-30 | 2014-03-19 | 浙江省环境保护科学设计研究院 | Mechanochemical preparation method and equipment of magnetic water treatment agent |
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Address after: 610041 Wuhou District, Sichuan Province, Wu Xing Road, No. 3, No. Patentee after: Ring energy Polytron Technologies Inc Address before: 610041 Wuhou District, Sichuan Province, Wu Xing Road, No. 3, No. Patentee before: Sichuan Demo-scimee Science and Technology Co., Ltd. |
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Address after: 610045 No. 3, Wu Xing Road, Chengdu, Sichuan, Wuhou District Patentee after: CSCEC Huanneng Technology Co., Ltd Address before: 610041 No. 3, Wu Xing Road, Chengdu, Sichuan, Wuhou District Patentee before: Ring energy Polytron Technologies Inc |